Question 1162971
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Hint: 


i  can be solved with the Sine Law but has two solutions


ii cannot be solved with either the Cosine Law or the Sine Law


iii can be solved with the Cosine Law


iv is not a triangle
								
								
John
*[tex \LARGE e^{i\pi}\ +\ 1\ =\ 0]
My calculator said it, I believe it, that settles it
<img src="http://c0rk.blogs.com/gr0undzer0/darwin-fish.jpg">
*[tex \Large \ \
*[tex \LARGE \ \ \ \ \ \ \ \ \ \  
								
{{n}\choose{r}}
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